Home / 165,740.39-228,715.67-101,317.52

Finding the Fourth Proportional to 165,740.39, 228,715.67 and 101,317.52

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Solution

The fourth proportional to 165,740.39, 228,715.67 and 101,317.52 is: 139,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,740.39 : 228,715.67 = 101,317.52 : x
  2. Step 2: Convert to fraction form
    165,740.39/228,715.67 = 101,317.52/x
  3. Step 3: Cross multiply
    165,740.39x = 228,715.67 × 101,317.52
  4. Step 4: Simplify right side
    165,740.39x = 23,172,904,469.54
  5. Step 5: Solve for x
    x = 23,172,904,469.54/165,740.39
  6. Step 6: Final answer
    x = 139,814.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.